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Infocus Projector Question

Discussion in 'Electronic Repair' started by Me Mine, Feb 19, 2007.

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  1. Me Mine

    Me Mine Guest

    Hi. I recently acquired an InFocus LP720 LCD projector. Good lamp with
    low hours.

    It works but has a color issue. I'm aware of the burned polarizer
    problem that can happen on these, but I don't think that's the problem
    here, because bright whites are white (not yellow) and grays are gray.

    The problem is that mid to bright whites have a greenish cast. They seem
    a little greener toward the right side of the screen, but only maybe by
    20 percent. Overall, the whole screen is just a little greenish when
    things are bright but not full white.

    Does this thing have a hidden service menu from which I can adjust color
    tracking, like on a CRT set? There are 3 LCDs, so I assume there's some
    way to make the curves track. Or is it good ol' trimpots?

    If there's a meny, please let me know how to access it. I have found
    nothing on the net about getting into a service mode on these projectors.


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